Amazon.com: Amityke Battery Adapter,Power Wheels Adapter for Makita 18V/14.4V Battery BL1820, BL1830, BL1840, BL1850 with 14 awg Wires Power Convertor for DIY Ride On Truck, Robotics, RC Toys and Work Lights :
2-Pack 3.0Ah 18 Volt BL1830B Battery Replacement for Makita 18V Battery Lithium ion BL1815 BL1815N BL1820 BL1820B BL1830 BL1840 BL1840B BL1850 BL1840B BL1860 BL1840B with LED Indicator - - Amazon.com
2Pack 6.0Ah BL1860B Battery Replacement for Makita 18V Battery Compatible with Makita 18 Volt Battery LXT BL1860 BL1850 BL1840 BL1830B BL1815 BL1835 - - Amazon.com
Amazon.com: Gamrombo 2Packs Upgraded to 6.0Ah 18V BL1860B Li-ion Replacement Battery Compatible with Makita 18V Battery BL1815 BL1830 BL1835 BL1840 BL1850 BL1860 LXT400 194205-3 Fit Cordless Power Tools : Tools & Home
MT20RNL Adapter for Makita 18V Battery to for Roybi 18V Battery,Most Batteries for MAKITA:BL1860B / BL1860 / BL1850B / BL1850 / BL1840 / BL1830B / BL1830 / BL1820 / BL1815 etc. - - Amazon.com
Amazon.com: 18V Battery Charger for Makita,DC18RC Replacement Battery Charger with LCD Display USB Interface for Makita 14.4V-18V Lithium Ion Battery BL1830 BL1840 BL1850 BL1815 : Tools & Home Improvement
waitley BL1830 18V 9.0Ah Replacement Battery Compatible with Makita BL1840 BL1850 BL1860 BL1890 Lithium-Ion Battery Tools with LED Indicator - - Amazon .com
Makita BL1840 18V 4.0AH Battery by Makita - - Amazon.com
Makita BL1840 18V 4.0AH Battery by Makita - - Amazon.com
Amazon.com: Adapter Converter for Makita 18V BL1860 BL1850 BL1840 Li-ion Battery to Ridgid AEG 18V Hyper li-ion Power Tool Battery : Tools & Home Improvement
Amazon.com: 【Upgrade】 CaliHutt 18V 6.0Ah Replacement Battery for Makita 18V Battery with LED Indicator BL1830 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 LXT-400 LXT Cordless Power Tools Lithium-ion Battery : Tools & Home
Amazon.com : Powtree BL1815 18V 3.0Ah LXT Lithium-ion Replacement Battery for Makita BL1815 BL1830 BL1860 BL1850 BL1840 BL1850B-2 BL1845 BL1815 BL1820 BL1860B Cordless Power Tools Series : Tools & Home Improvement
Amazon.com: Crivnhar 5 Pack Battery Holder for Makita 18V Battery Mounts Dock Holder Fit for BL1860 BL1850 BL1840 BL1830(w/10 Screws) : Tools & Home Improvement
Amazon.com: 18V 6.0Ah Lithium Ion Battery Replacement for Makit BL1815, BL1830, BL1835, BL1840, BL1850, BL1860, LXT400, 194204-5, 194205-3, 194230-4, 194309-1 (6000mAh 18V) : Tools & Home Improvement